Add build and run section in readme.
Add build and run section in readme.

wangfakang/nativejson-benchmark,DavadDi/nativejson-benchmark,miloyip/nativejson-benchmark,wangfakang/nativejson-benchmark,wangfakang/nativejson-benchmark,wangfakang/nativejson-benchmark,DavadDi/nativejson-benchmark,tesis100/nativejson-benchmark,DavadDi/nativejson-benchmark,miloyip/nativejson-benchmark,DavadDi/nativejson-benchmark,miloyip/nativejson-benchmark,tesis100/nativejson-benchmark,tesis100/nativejson-benchmark,wangfakang/nativejson-benchmark,tesis100/nativejson-benchmark,wangfakang/nativejson-benchmark,miloyip/nativejson-benchmark,tesis100/nativejson-benchmark,miloyip/nativejson-benchmark,tesis100/nativejson-benchmark,DavadDi/nativejson-benchmark